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Rough idling after new spark plug installation and dying when coming up to stops.

Tiny
RAEFORD
  • MEMBER
  • 2000 FORD ESCORT
  • 123,000 MILES
Hi, my 2000 Ford Escort ZX2 has been turning off (not stalling) when I'm coming up to stop signs/lights and will turn on just fine once I realize it died. I decided it was time for new spark plugs, now I'm getting about 50 miles per half tank (it's a 10gal), really rough idling and the service engine light is on. What could be wrong? I don't want to waste money with false leads.
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Tuesday, July 3rd, 2012 AT 11:12 PM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Your starting point here-have the computer scanned for code/s-could be the wrong type plugs/incorrect gapping
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Tuesday, July 3rd, 2012 AT 11:24 PM
Tiny
RAEFORD
  • MEMBER
  • 2 POSTS
They're the standard for the escort and they come pre-gapped. It says there's a misfire from #4. The guy helping me said I might need a new coil because the one I have now might have grown accustomed to the old plugs.
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Wednesday, July 4th, 2012 AT 1:03 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
P0304-check the plug, compression and injector for this cylinder
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Wednesday, July 4th, 2012 AT 8:27 PM

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